CN101453588B - Television set having eyesight test function - Google Patents
Television set having eyesight test function Download PDFInfo
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- CN101453588B CN101453588B CN200710077452XA CN200710077452A CN101453588B CN 101453588 B CN101453588 B CN 101453588B CN 200710077452X A CN200710077452X A CN 200710077452XA CN 200710077452 A CN200710077452 A CN 200710077452A CN 101453588 B CN101453588 B CN 101453588B
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Abstract
The present invention provides a television set with the function of vision testing. The television set comprises an MCU, a vision testing control module, a remote-control receiving module and a display screen, wherein the remote-control receiving module is used for receiving remote-control codes of opening directions of vision testing characters transmitted by a remote controller, and transmitting the remote-control codes to the MCU; the MCU is used for analyzing the remote-control codes transmitted by the remote-control receiving module, judging whether the opening directions of the vision testing characters are correct according to analysis results, and indicating the vision testing control module to output test results; the vision testing control module is used for outputting the test results to the display screen; and the display screen is used for displaying the test results. The MCU also indicates the vision testing control module to move a mouse cursor to select the characters under test according to the test result.
Description
Technical field
The invention belongs to television set function applied technical field, relate in particular to and utilize television set to carry out method for vision testing.
Background technology
Current multimedia audiovisual entertainment content is more and more abundanter, and the high-tech image processing techniques makes television image bright and colourful, is attracting countless hobbies to watch the crowd of TV programme, object for appreciation video game deeply.Therefore, for the part televiewer, especially for children, every day is also more and more in the face of the time of video screen.
Yet,,, can bring expendable influence to eyesight if eyes are in fatigue state for a long time if do not note eye fatigue is alleviated.Particularly just at the youngsters and children of stage of development, because heavy learning tasks or indulge in video game, a lot of people among them have put on eyes long since, and rate of myopia more and more allows of no optimist.Yet because the slight decline of eyesight can't influence life at ordinary times, this just makes child descend in eyesight unconsciously, if eyesight has dropped to about 1.0 degree when finding, at this moment carries out the eyesight treatment again, and the effect of retrieving is little.Therefore, be necessary at any time child's eyesight to be monitored, in time guarantee healthy with eye.At present, the foundation that China tests eyesight is an employing standard E word eyesight testing table, and this check table requires in the character background certain brightness (500 to 700 lumen) to be arranged in use, and surround lighting is also had certain requirement.In general family so special-purpose check table device is installed, not only can be consumed additional expense, just can finish test but also need two more than the people, and can influence usage space to a certain extent, it is whole harmonious attractive in appearance to influence indoor wall.
Along with the continuous innovation of TV correlation technique, the raising of television screen resolution, the E character that how will monitor eyesight intactly is shown on the video screen, and carries out selftest by remote controller, is prior art an open question still.
Summary of the invention
The object of the present invention is to provide a kind of television set that possesses eyesight test function, be intended to solve the problem of carrying out eyesight testing by television set.
The present invention is achieved in that a kind of television set that possesses eyesight test function, and described television set comprises MCU, eyesight testing control module, remote control receiver module and display screen, wherein:
Described remote control receiver module is used for receiving the eyesight testing character opening direction remote control mode of remote controller emission, and described remote control mode is transferred to MCU;
Described MCU is used for the remote control mode of described remote control receiver module transmission is resolved, and judges according to analysis result whether described eyesight testing character opening direction is correct, and indicates described eyesight testing control module to output test result;
Described eyesight testing control module is used for outputing test result to display screen;
Described display screen is used for showing described test result, wherein,
Described remote control receiver module also is used for receiving the remote control mode that calls eyesight test function instruction correspondence of described remote controller emission, and described remote control mode is transferred to described MCU, described MCU also is used for calling described eyesight testing character list according to the described described eyesight testing control module of eyesight test function instruction indication of calling, described eyesight testing control module also is used for calling described eyesight testing character list and shows on described display screen, and the character row of controlling in the described eyesight testing character list to be tested shows in the middle of described display screen, described MCU also is used for according to the control command of described remote controller emission, indicate described eyesight testing control module control cursor to move to character to be tested in the described eyesight testing character list, wherein
Behind the overall test result of output one character row to be tested, also automatically cursor is moved to the last character row that closes on described character row to be tested or next character to be measured in next character row, and show in the middle of when cursor moves to another character row, this character row being rolled into display screen by remote controller according to the overall test result of described character row to be tested.
Described eyesight testing character is the E character in the E character eyesight testing table.
The character of choosing in the eyesight testing character list that described eyesight testing character shows on described display screen for the tester to be tested, described eyesight testing character direction are the visual observation of tester to described character opening direction to be tested.
Described visual observation is for upwards or downwards or left or to the right.
The present invention overcomes the deficiencies in the prior art, employing shows the eyesight testing character list on television display screen, and the judged result to character opening direction to be tested in the eyesight testing character list of acceptance test person's input, its character opening direction with storage is in advance compared, the technical scheme that on display screen, shows test results then, make the user can utilize the television set in the family to finish eyesight testing, increased television function; Also satisfied simultaneously user's request.
Description of drawings
Fig. 1 is the described system block diagram of the embodiment of the invention;
Fig. 2 is an embodiment of the invention flow chart.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In the existing E character eyesight testing table, the E character is from top to bottom, arranges from big to small, and a behavior maximum of top has only one, and along with line number increases, the character of each row is more and more littler, and number is also more and more.In the present invention, indicating that behavior first row of maximum character, secondly is second row, and the like, N is capable at most, generally chooses 15 row, the corresponding 0.1 eyesight number of degrees of each row.
Because the difference of screen of TV set shape and E character eyesight testing table, if E character eyesight testing table is directly shown on screen aspect ratio is 16: 9 television set, screen size may be not enough, if allow the E character array vertically arrange complete being shown on the screen, just might can't reach the original size of special-purpose E character eyesight testing table, therefore, adopt mode as described below to address this problem in the embodiment of the invention:
1, only shows the E of delegation character to be tested in screen center;
2, an act formula demonstration is rolled in employing, then with E character array scroll-up/down, fixes a position at last, allows E character row to be tested be presented at screen center;
3, under 16: 9 screens can not the situation of complete vertical demonstration E character array, clockwise or be rotated counterclockwise 90 degree with the E character array.
E character for different sizes, the demonstration size of this character reality on screen is identical with the test chart of special use, can deposit in the mode of character in the video memory, a specific address deposited in each character, and, the E character of 4 opening directions can be deposited in each address, the corresponding value of each opening direction.For example, TV shows an E word character, this character opening upwards, a then corresponding value 1, opening to the right, respective value 2 is so analogized, and is corresponding downwards 3, left corresponding 4.
The input terminal that eyesight is judged is a TV remote controller, the user is (5 meters of standard testing distances) outside prescribed limit, judge the opening direction of E character to be tested on the current video screen, press in the remote controller directionkeys then, at this moment code value of remote controller output, be 1 for example, after television set receives, with this code value and the direction value contrast of this E character correspondence of storage in advance.Give an example: the opening that current video screen shows E character to be tested upwards, its corresponding direction value is 1, if the value of user by the remote controller input is 1, TV correct judgment then is if input is other value, then misjudgment.Judge measured's eyesight size at last by certain judgment mechanism.Except the directionkeys of remote controller, also can judge that to the direction of E character representing the E character respectively as numerical key 1,2,3,4 is the upper and lower, left and right four direction by the input of remote controller numeral key.
When entering self-test function and show the E character, require white brightness around character at 500 lumens between 700 lumens, and the E character adopts the black mode, to meet the proper testing condition, does not influence test result more than 400 with white contrast on every side.Brightness and contrast's setting is adjusted automatically by television system when entering eyesight test function.Space problem about test, because the limitation of the possible test space, can not reach 5 meters of standard, then can be by the method for normal professional test, for example in 3 meters distances or nearer scope, can observe a certain line character, calculate actual eyesight value by certain formula then.
See also Fig. 1, the system that embodiment of the present invention provided comprises: remote controller and television set, the tester shows on television set by remote controller control eyesight testing E character list, and E character row to be tested is presented at the middle of screen in the E character list, the user moves to E character to be tested by remote controller with cursor, judge direction then, by remote controller input judged result, whether the result that television set detects input is correct.
Wherein, television set is the set of a plurality of functional modules, comprising: remote control receiver module, eyesight testing control module, MCU and television display screen, in addition, television system also comprises other functional modules of finishing the television set normal function, indicates with television system functional module collection among the figure.The tester calls the television set eyesight test function by the button on television set function menu or the remote controller (strong as eyesight testing), TV MCU indication eyesight testing control module enters the eyesight testing state, the eyesight testing control module is called the E character list and is shown on tv display screen, the tester can be good for or the strong adjustment of channel adjustment E character row to be tested by the volume adjustment on the remote controller, controlling E character row to be tested shows in the middle of display screen, the 7th row as the pairing E character of 1.0 eyesights behavior E character list, have 6 E characters from left to right, when this E character row is presented on the television display screen, cursor will move to first E character (can not be first also during practical operation) of this row automatically, this moment, the tester may stand in outside the distance of regulation, judge the opening direction of this first E character, if it is last that the tester judges direction, then trigger on the remote controller " on " directionkeys or numerical key " 1 ", this moment remote controller will to send numerical value to television set be 1 remote control mode, the TV remote-control receiver module is transferred to MCU with this remote control mode after receiving, compare with the data of storing in advance MCU decoding back, if tester's correct judgment, then indicate the eyesight testing control module to provide judicious display result, otherwise give the display result that makes mistake, eyesight testing control module control test result shows on display screen, literal as " correctly " or " mistake " shows that perhaps the symbol of " √ " or " * " shows.The tester controls cursor and moves to right in this E character row to be tested then, chooses the E character that needs test, judges the opening direction of this E character, repeats above-mentioned process; Finish after the E test alphabetic of changing one's profession, the tester can select another row E character according to test result, as the 6th row, the 5th row or the 4th row of selecting the E character list, also can select the eighth row or the 9th row of E character list, finishes further test.If test is all correct or the overwhelming majority is all correct to the judgement of the opening direction of E character in a certain E character row to be tested, then can determine the eyesight value of tester's eyesight for this row E character correspondence.
The tester is by screen prompt, and remote controller is sent instruction, receives controll block by remote control and sends signal to the eyesight software functional block of testing oneself, by judging flow process mechanism, correcting errors of display end prompting tester's test.
Embodiment of the invention flow chart specifically comprises following step as shown in Figure 2:
1, the tester calls eyesight test function, and MCU indication eyesight testing control module enters the eyesight testing state;
2, the eyesight testing control module is called the E character list and is shown on tv display screen;
3, the tester is good for by the volume adjustment on the remote controller or the strong adjustment of channel adjustment E character row to be tested, controls E character row to be tested and shows in the middle of display screen, chooses E character to be tested in this row;
4, the tester judges the opening direction of this E character, by remote controller numeral key or directionkeys input judged result;
5, MCU judges whether the judged result of tester's input is correct, and indication eyesight testing control module output judged result;
6, the eyesight testing control module outputs to test result on the television display screen and shows;
7, withdraw from test? if change step 10, otherwise change step 8;
8, test another E character row? if change step 3, otherwise change step 9;
9, the tester chooses the next E character in this to be measured trying, and changes step 4;
10, EOT.
Demonstration for test result, can show one by one, promptly after the user imports E character opening direction to be tested and after judging, show, also can after the test of finishing certain E of delegation character, totally show, and control cursor automatically according to overall test result and move to next line E character to be tested or lastrow E character to be tested, as, test result shows that the tester is more to the misjudgment of the E character direction in this to be measured trying, then controlling cursor moves to the lastrow of E test alphabetic table, if it is all correct or most correct to the judgement of the E character direction in this to be measured trying that test result shows the tester, then control cursor and move to the next line of E test alphabetic table.
In actual use, after the user repeatedly tests same E test alphabetic table, just might unconsciously remember the opening direction of certain E character, influence final testing result.Therefore, technical scheme provided by the invention character to the delegation that coexists when at every turn opening the eyesight self-test function carries out random alignment, eliminates the test error that memory causes.
In the embodiment of the invention, the eyesight testing character list adopts the E character list to describe, during the practical application technical solution of the present invention, also can adopt the eyesight testing table of other characters, as C character eyesight testing table, it realizes that principle is the same with above-mentioned embodiment, and this does not give unnecessary details.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a television set that possesses eyesight test function is characterized in that, described television set comprises MCU, eyesight testing control module, remote control receiver module and display screen, wherein:
Described remote control receiver module is used for receiving the eyesight testing character opening direction remote control mode of remote controller emission, and described remote control mode is transferred to MCU;
Described MCU is used for the remote control mode of described remote control receiver module transmission is resolved, and judges according to analysis result whether described eyesight testing character opening direction is correct, and indicates described eyesight testing control module to output test result;
Described eyesight testing control module is used for outputing test result to display screen;
Described display screen is used for showing described test result, wherein,
Described remote control receiver module also is used for receiving the remote control mode that calls eyesight test function instruction correspondence of described remote controller emission, and described remote control mode is transferred to described MCU, described MCU also is used for calling the eyesight testing character list according to the described described eyesight testing control module of eyesight test function instruction indication of calling, described eyesight testing control module also is used for calling described eyesight testing character list and shows on described display screen, and the character row of controlling in the described eyesight testing character list to be tested shows in the middle of described display screen, described MCU also is used for according to the control command of described remote controller emission, indicate described eyesight testing control module control cursor to move to character to be tested in the described eyesight testing character list, wherein
Behind the overall test result of output one character row to be tested, also automatically cursor is moved to the last character row that closes on described character row to be tested or next character to be measured in next character row, and show in the middle of when cursor moves to another character row, this character row being rolled into display screen by remote controller according to the overall test result of described character row to be tested.
2. television set according to claim 1 is characterized in that, described eyesight testing character is the E character in the E character eyesight testing table.
3. television set according to claim 1, it is characterized in that, the character of choosing in the eyesight testing character list that described eyesight testing character shows on described display screen for the tester to be tested, described eyesight testing character direction are the visual observation of tester to described character opening direction to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710077452XA CN101453588B (en) | 2007-11-30 | 2007-11-30 | Television set having eyesight test function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710077452XA CN101453588B (en) | 2007-11-30 | 2007-11-30 | Television set having eyesight test function |
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| Publication Number | Publication Date |
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| CN101453588A CN101453588A (en) | 2009-06-10 |
| CN101453588B true CN101453588B (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200710077452XA Expired - Fee Related CN101453588B (en) | 2007-11-30 | 2007-11-30 | Television set having eyesight test function |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105708412A (en) * | 2016-01-18 | 2016-06-29 | 鞍山心态度科技有限公司 | Eyesight testing method and device based on television |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095257A (en) * | 1993-05-17 | 1994-11-23 | 罗富铭 | Computerized multifunction optometric instrument |
| US5877841A (en) * | 1995-12-05 | 1999-03-02 | Lg Electronics, Inc. | Application and method for self eye examination using a video appliance |
| CN1394544A (en) * | 2002-08-12 | 2003-02-05 | 冯跃春 | Interdynamic visual acuity test chart |
| CN1515225A (en) * | 2003-01-09 | 2004-07-28 | 上海锦江科技工程公司 | Full-automatic visual acuity detector |
| CN1883377A (en) * | 2006-06-19 | 2006-12-27 | 陈宁宁 | Remotely-controlled self-testing eye chart |
-
2007
- 2007-11-30 CN CN200710077452XA patent/CN101453588B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095257A (en) * | 1993-05-17 | 1994-11-23 | 罗富铭 | Computerized multifunction optometric instrument |
| US5877841A (en) * | 1995-12-05 | 1999-03-02 | Lg Electronics, Inc. | Application and method for self eye examination using a video appliance |
| CN1394544A (en) * | 2002-08-12 | 2003-02-05 | 冯跃春 | Interdynamic visual acuity test chart |
| CN1515225A (en) * | 2003-01-09 | 2004-07-28 | 上海锦江科技工程公司 | Full-automatic visual acuity detector |
| CN1883377A (en) * | 2006-06-19 | 2006-12-27 | 陈宁宁 | Remotely-controlled self-testing eye chart |
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| CN101453588A (en) | 2009-06-10 |
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Granted publication date: 20111116 Termination date: 20171130 |